ZA861003B - Air conditioning control system with enhanced operating range - Google Patents

Air conditioning control system with enhanced operating range

Info

Publication number
ZA861003B
ZA861003B ZA861003A ZA861003A ZA861003B ZA 861003 B ZA861003 B ZA 861003B ZA 861003 A ZA861003 A ZA 861003A ZA 861003 A ZA861003 A ZA 861003A ZA 861003 B ZA861003 B ZA 861003B
Authority
ZA
South Africa
Prior art keywords
control
orifice
air conditioning
operating range
upstream
Prior art date
Application number
ZA861003A
Other languages
English (en)
Inventor
William J Harris
Original Assignee
Anemostat Products
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anemostat Products filed Critical Anemostat Products
Publication of ZA861003B publication Critical patent/ZA861003B/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/185—Control of temperature with auxiliary non-electric power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/03—Control of flow with auxiliary non-electric power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7759—Responsive to change in rate of fluid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Air-Flow Control Members (AREA)
ZA861003A 1985-02-19 1986-02-11 Air conditioning control system with enhanced operating range ZA861003B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/702,667 US4643353A (en) 1985-02-19 1985-02-19 Air conditioning control system with enhanced operating range

Publications (1)

Publication Number Publication Date
ZA861003B true ZA861003B (en) 1986-09-24

Family

ID=24822150

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA861003A ZA861003B (en) 1985-02-19 1986-02-11 Air conditioning control system with enhanced operating range

Country Status (8)

Country Link
US (1) US4643353A (de)
EP (1) EP0192335B1 (de)
JP (1) JPS61190237A (de)
AT (1) ATE65598T1 (de)
AU (1) AU578511B2 (de)
CA (1) CA1265771A (de)
DE (1) DE3680353D1 (de)
ZA (1) ZA861003B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI75682C (fi) * 1986-09-26 1988-07-11 Erkki Johannes Niskanen Pao kaskadstyrning baserande foerfarande foer floedesreglering.
US4995307A (en) * 1989-09-11 1991-02-26 Bobby Floyd Variable air volume ventilation system and method
SE8903831D0 (sv) * 1989-11-15 1989-11-15 Stifab Ab Saett och anordningfoer att styra ett reglerdon foer fluider
US5011076A (en) * 1990-02-16 1991-04-30 Ike Wurtz Pneumatic temperature control
US5123592A (en) * 1991-03-28 1992-06-23 Carrier Corporation Pressure independent control for air distribution system
US9157643B2 (en) * 2010-10-14 2015-10-13 Fimcim S.P.A. Conditioning plant
GB2499817B (en) * 2012-02-29 2014-07-30 Glazpart Ltd A slot ventilator

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1538427A (en) * 1918-08-27 1925-05-19 Earl George Goodell Means and method for governing fluid pressures
FR1263250A (fr) * 1960-04-07 1961-06-09 Zenith Carburateur Soc Du Dispositif de sécurité pour installation de distribution de fluide sous pression, en vue notamment de la protection contre les ruptures de canalisations de carburant
LU62512A1 (de) * 1971-01-29 1972-08-23
US4042173A (en) * 1975-09-04 1977-08-16 Barber-Colman Company Method and apparatus for controlling volume air flow
DE2542160A1 (de) * 1975-09-22 1977-03-31 Ltg Lufttechnische Gmbh Volumenstromregler fuer lufttechnische anlagen
US4077567A (en) * 1976-06-18 1978-03-07 Universal Pneumatic Controls, Inc. Pneumatic temperature reset differential pressure controller
US4120453A (en) * 1977-04-29 1978-10-17 Carrier Corporation Air distribution unit
DE7912149U1 (de) * 1979-04-26 1980-10-09 Gebrueder Sulzer Ag, Winterthur (Schweiz) Volumenstromregler fuer gasstroemungen
US4411289A (en) * 1979-07-26 1983-10-25 Sperry Limited Hydraulic valve
US4284237A (en) * 1980-05-12 1981-08-18 Anemostat Products Div., Dynamics Corporation Of America Air conditioning control system with master and tracking controllers
US4364409A (en) * 1980-08-18 1982-12-21 Jones James S Fluid flow control device

Also Published As

Publication number Publication date
US4643353A (en) 1987-02-17
ATE65598T1 (de) 1991-08-15
AU578511B2 (en) 1988-10-27
EP0192335A2 (de) 1986-08-27
AU5255886A (en) 1986-08-28
DE3680353D1 (de) 1991-08-29
CA1265771A (en) 1990-02-13
EP0192335A3 (en) 1988-07-20
EP0192335B1 (de) 1991-07-24
JPS61190237A (ja) 1986-08-23

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